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Engineering Drawing Part II
Rating: 4.7 out of 5(16 ratings)
249 students

Engineering Drawing Part II

"Mastering Engineering Drawing & Graphics: Projection of Lines, Planes and Solids"
Created byManas Patnaik
Last updated 7/2023
English
English [Auto],

What you'll learn

  • After the end of this course, you guys will be able to interpret & comprehend technical drawings from the perspective of an Engineer.
  • Your imagination power will be elevated to a different level as you will be able to perceive object's orientation and prepare its Orthographic Projections.
  • Understand the Projection and Traces of Lines
  • Understand the Projection of Plane via both Change of Position Method and Auxiliary Plane Method.
  • Learn Projection of Solids

Course content

5 sections • 46 lectures • 8h 3m total length

  • Introduction to Lines2:27

    Explore orthographic projection of lines in engineering drawing, mastering front, top, and side views through eight case-based videos and real-life applications such as room diagonal length and switchboard distances.

  • Case I– Line parallel to both HP and VP11:26

    Learn to draw and interpret a line parallel to both HP and VP in the first quadrant, using front and top views to reveal true length and construct accurate projections.

  • Case II– Line perpendicular to HP and parallel to VP7:11

    Explore case II: line perpendicular to HP and parallel to VP through front, top, and side views; learn true length, data extraction, and projection methods.

  • Case III – Line perpendicular to VP and parallel to HP4:23

    Draw the 75 mm line perpendicular to vp and parallel to hp; its true length is visible from the top, producing the top view and front view as a point.

  • Case IV – Line inclined to HP and parallel to VP6:22

    draw projections of a line inclined to the horizontal plane and parallel to the vertical plane, using theta and phi, and construct front, top, and side views from the given data.

  • Case V – Line inclined to VP and parallel to HP7:00

    Visualize a line inclined to the VP and parallel to the HP, determine its true length from the top view, and construct front and side projections by perpendicular projections.

  • Advanced Problems from Case 1 to Case 522:50

    Tackle advanced engineering drawing problems by constructing orthographic projections, determining true lengths, and calculating angles with the hp and vp through top and front views.

  • Understanding the projection of Line inclined to both HP and VP14:08

    Learn to project a line inclined to both hp and vp, using true length and the angles with hp and vp to obtain accurate front and top views.

  • Case 6_Example 15:15

    Determine front and top views of a 55 mm line, using theta 30° and phi 45°, with a point 12 mm in front of VP and 15 mm above.

  • Case 6_Example 24:47

    Solve a case in engineering drawing by constructing the top and front views of a 90 mm line inclined 30 degrees to hp, then determine theta, phi, alpha, and beta.

  • Case 6_Example 33:48

    Start with problem three, set true length 90, incline 45 degrees to hp, and construct the top view at 60 degrees (beta), using locust lines to obtain alpha and phi.

  • Case 6_Example 413:42

    Learn how to project a line inclined to both vp and hp, determine its true length, and construct front and top views for second and fourth quadrants using AutoCAD visuals.

  • Case 6_Example 514:57

    Apply three-dimensional visualization to engineering drawing by solving a case where a line in the third quadrant requires front and top views, true length, and theta angle calculations.

  • Application of Lines_Example 116:41

    Explore determining the true length of a line using front and top views, 3D visualization, and orthographic projections, with AutoCAD demonstrations and four rotation-based solutions.

  • Application of Lines_Example 24:08

    Apply line drawing techniques to determine the true length of four chains supporting a wooden platform by analyzing top, front, and isometric views and using a consistent scale.

  • Application of Lines_Example 38:53

    Apply orthographic projection in a 6 by 5 by 3.5 m room to place the bulb and adjacent-wall switch; find the shortest bulb-switch distance as 4.8 m.

  • Application of Lines_Example 49:43

    Master graphical projection of three vertical poles forming an equilateral base, using AutoCAD for 3D setup, PowerPoint for projections, and scale to obtain true top-end distances.

Requirements

  • Proper knowledge of Projection and its application to Point.
  • It would be beneficial if you also enroll to the preceding course "Master Engineering Drawing Part I"
  • Fundamentals of Geometry as in using compass, protractor to make two dimensional shapes.
  • Set of Pencils (H,2H,3H and 4H), a Mini drafter, protractor, compass or a rounder and good number of drawing sheets is all you need.
  • Well Patience, Hard Work and hunger towards learning is what i expect the most from you all.

Description

                This course is all about learning the elements of Technical / Engineering Drawing. A picture is worth a thousand words and an animation is worth a thousand pictures. And by the end of this course you will realize how easy it gets to learn stuff from animations. This is not merely a subject to consume, but it's a language which allows engineers across various disciplines to communicate. This course is relevant across all disciplines of Engineering be it Mechanical, Civil, Electrical or Computer Science. This is a mandatory first year course in most of the universities globally. 

                 In Part II of Engineering Drawing, we will be covering the following topics in depth:

1. Projection of Lines: In orthographic projection, lines are projected perpendicular to the projection plane, resulting in a series of two-dimensional views that provide different perspectives of the object. These views include front view, top view, right-side view, and other sectional views, depending on the complexity and requirements of the object being represented.

2. Traces of Lines: This is an advanced topic where line end points are extended to meet at a point on Principal Plane. A horizontal trace is a point where the line meets the Horizontal Plane. A Vertical trace is a point where the line meets the Vertical Plane.

3. Projection of Planes: Projection of planes involves visualizing and communicating the spatial relationships and features of flat surfaces in a two-dimensional drawing. It plays a vital role in accurately representing objects and conveying critical information in engineering drawings.

4. Auxiliary Planes (Shortcut to Orthographic Projections): This is an alternative to the traditional Change of Position Method. Here instead of changing the position of object, Auxiliary Planes are set up and the corresponding Top View and Front Views are projected directly onto it. With a little practice and intuition, you can master this projection technique.

5. Projection of Solids: Projection of solids is a fundamental aspect of engineering drawing, enabling the accurate representation of three-dimensional objects on a two-dimensional plane. We are mostly going to be dealing with standard 3D shapes line Polyhedra (Prism, Pyramids) and Solids of Revolution (Cone and Cylinder)

 

Who this course is for:

  • Students who are about to enter into their First Year of Bachelor of Engineering regardless of their branch.
  • This course will also prove beneficial for school going students who have opted for Engineering Graphics or Engineering Drawing in their 11th and 12th Grade.
  • Students of Diploma and Polytechnic can also enroll in this course as Engineering Drawing is a mandatory subject.

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